The phylum chrordata comprise about how many species?

Related Mcqs:

1. Second largest phylum of invertebrates is____________?

   A. Porifera
   B. Arthropoda
   C. Mollusca
   D. Chordata

2. Sub- phylum vertebrate is also known as__________?

   A. Pisces
   B. Craniata
   C. Aves
   D. Amphibia

3. In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?

   A. Arthropods
   B. Chordata
   C. Annelida
   D. Echinodermata

4. In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?

   A. echinodermata
   B. mollusca
   C. nematoda
   D. arthropoda

   Submitted by: Maryam Aftab

5. An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

   A. Biome
   B. Phyletic lineage
   C. Community
   D. Population

6. Proteins comprise of ___________% of the total dry weight of a cell?

   A. 40%
   B. 50%
   C. 60%
   D. 70%

7. The air spaces may comprise upto _________ of total volume of leaf surface?

   A. 30%
   B. 20%
   C. 40%
   D. 50%

8. Group of living organisms of the same species living in the same place at the same time is called________?

   A. Community
   B. Population
   C. Ecosystem
   D. Biome

9. Competition between species will be greatest if they attempt to occupy the same___________?

   A. Ecosystem
   B. Community
   C. Habitat
   D. Niche

10. Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called_____________?

    A. Parasitic fungi
    B. Obligate parasitic fungi
    C. Facultative parasitic fungi
    D. All of these